Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.647068E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:45:30+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66626
    NORAD ID 66626
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3649 STARLINK-35902
    Time of Closest Approach 2026-09-04T16:06:51+0000
    Collision Probability (Pc) 9.647068E-7
    Conjunction Distance (km) 2.897 km
    Relative Speed (km/s) 7.696 km/s
    Conjunction Risk Parameters R (Radial): 2.503 | I (In-track): -1.259 | C (Cross-track): -0.735
    Collision Risk Index (CRI) 0.35
    X Position (km) 946.429 948.205
    Position Y (km) 4647.216 4648.629
    Position Z (km) 4916.737 4918.537
    Velocity X (km/s) -5.914 -7.02
    Velocity Y (km/s) 4.035 -1.398
    Velocity Z (km/s) -2.668 2.668

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 STARLINK-35902
    Semimajor Axis (a) 6837.864 km 6840.856 km
    Eccentricity (e) 0.000118 0.000133
    Inclination (i) 53.1612° 53.1607°
    RAAN 314.1649° 31.4782°
    Perigee Argument 53.4793° 92.5079°
    Mean Anomaly (M) 306.6319° 267.6076°
    Apogee 460.536 km 463.629 km
    Perigee 458.918 km 461.809 km
    Orbit Epoch 2026-09-03T16:10:42+0000 2026-09-03T19:30:51+0000

    STARLINK-3649 & STARLINK-35902 Collision Probability (Pc) Trend

    STARLINK-3649 & STARLINK-35902 Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & STARLINK-35902 Miss Distance (Miss Distance) Trend

    STARLINK-3649 & STARLINK-35902 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35902Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35902Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data